{"save":1,"level":1,"time":"60","total":30,"point":5,"segment":[{"id":"10136","test_id":"684","question":"<p data-end=\"376\" data-start=\"302\">S\u1ed1 n&agrave;o sau \u0111&acirc;y l&agrave; s\u1ed1 h\u1eefu t\u1ec9?<\/p>","options":["<strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$-\\sqrt{2}$<\/span>","<strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\pi$<\/span>","<strong>C.<\/strong> 0,75","<p data-end=\"376\" data-start=\"302\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{1}{0}$<\/span><\/p>"],"correct":"3","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 0,75.<\/span><\/p><p>S\u1ed1 h\u1eefu t\u1ec9 l&agrave; s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng&nbsp;<span class=\"math-tex\">$\\dfrac{a}{b}$<\/span>, trong \u0111&oacute; a, b&nbsp;<span class=\"math-tex\">$\\in$<\/span>&nbsp;Z, b&nbsp;<span class=\"math-tex\">$\\ne$<\/span>&nbsp;0.<\/p><p>V&igrave;&nbsp;<span class=\"math-tex\">$0,75=\\dfrac{75}{100}$<\/span>&nbsp;n&ecirc;n 0,75 l&agrave; s\u1ed1 h\u1eefu t\u1ec9.<\/p>","type":"choose","user_id":"126","test":"2","date":"2025-08-03 15:33:55"},{"id":"10138","test_id":"684","question":"<p data-end=\"636\" data-start=\"475\">K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh <span class=\"math-tex\">$\\dfrac{5}{8} + \\dfrac{3}{4}$<\/span> l&agrave;:<\/p>","options":["<strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$ \\dfrac{8}{12}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{8}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{13}{8}$<\/span>","<p data-end=\"636\" data-start=\"475\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{8}$<\/span><\/p>"],"correct":"2","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{8}$<\/span>.<\/span><\/p><p><span class=\"math-tex\">$\\dfrac{5}{8}+\\dfrac{3}{4}=\\dfrac{5}{8}+\\dfrac{6}{8}=\\dfrac{11}{8}$<\/span>.<\/p>","type":"choose","user_id":"126","test":"1","date":"2025-08-03 15:38:46"}]}